How To Fix HRPAYNLLA_EN012 - CSN [BSN] &1 is also used for employee &2 in period &3 - &4

HRPAYNLLA_EN012 - Overview

• Message type: E = Error

• Message class: HRPAYNLLA_EN - Error Messages for Wage Return NL

• Message number: 012

• Message text: CSN [BSN] &1 is also used for employee &2 in period &3 - &4

What causes this issue?

You have assigned a Citizen Service Number (CSN; in Dutch:
Burgerservicenummer, abbreviated to BSN) to more than one employee in
one period (personnel number) in infotype <ZK>Personal Data</> (0002),
where the employee's name [ENAME] does not match. The CSN [BSN] must be
assigned to one employee.
As a result, the tax authority may reject the wage return.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the data and change the CSN [BSN] if necessary.
In case you have already sent the wage return to the tax office and it
has rejected the XML declaration file, follow the instructions as
mentioned in SAP note 1269255 - Aangifte LH: Correction of duplicate
NumIV.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message HRPAYNLLA_EN012 - CSN [BSN] &1 is also used for employee &2 in period &3 - &4 ?

  The SAP error message HRPAYNLLA_EN012 indicates that there is a conflict in the assignment of a certain "Compensation Structure Number" (CSN) or "Benefit Structure Number" (BSN) for an employee in a specific period. This error typically arises in the context of payroll processing or benefits administration within the SAP Human Capital Management (HCM) module.
  
  Cause:
  The error occurs when:
  
  The same CSN or BSN is assigned to multiple employees for overlapping periods. 
  There is an attempt to assign a CSN or BSN to an employee that is already in use by another employee for the same time frame.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Assignments: 
  
  Review the assignments of the CSN or BSN in question. You can do this by navigating to the relevant infotype (e.g., Infotype 0014 for recurring payments/deductions or Infotype 0015 for additional payments) and checking the records for the employees involved.
  
  
  
  Identify Conflicts:
  
  Identify which employees are using